CN212001061U - Blasting reaming reverse-pushing type grouting pile - Google Patents
Blasting reaming reverse-pushing type grouting pile Download PDFInfo
- Publication number
- CN212001061U CN212001061U CN202020011986.3U CN202020011986U CN212001061U CN 212001061 U CN212001061 U CN 212001061U CN 202020011986 U CN202020011986 U CN 202020011986U CN 212001061 U CN212001061 U CN 212001061U
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- pile
- reverse
- stake
- reaming
- blasting
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Abstract
The utility model discloses a blasting reaming reverse-pushing type slip casting stake, including hollow thread stake, enlarged footing and disengagement chamber, the disengagement chamber sets up between hollow thread stake and enlarged footing, the upper portion of disengagement chamber sets up two recesses of symmetry, the lower extreme of hollow thread stake is provided with two tenons of symmetry, the lower extreme of hollow thread stake sets up the reverse push board, the utility model discloses a blasting reaming reverse-pushing type slip casting stake, beneficial effect lies in: 1. the utility model discloses can utilize blasting underreamed mode to enlarge inside drilling vestibule, detonate back ignition can open automatically and produce stronger occlusal force between the soil body, utilize the slip casting to form the enlarged footing. 2. The utility model discloses a separation chamber effect, after the explosion, carries out the backstepping to the rotor, hollow thread stake and enlarged footing relative separation, and relative motion for form the counter-pulling force between pile body and the soil body, carry out the slip casting construction again and form the backstepping formula slip casting stake.
Description
Technical Field
The utility model relates to a blasting reaming reverse-pushing formula slip casting stake.
Background
The existing punching cast-in-place pile is used as a commonly used pile foundation in a skirt building, because the difference of the load of upper structures of a main building and the skirt building of a high-rise and ultra-high-rise building is large, the burial depth of the foundation of the main building is much larger than that of the foundation of the skirt building, the pile top of the foundation pile of the main building is often much lower than that of the foundation pile top of the skirt building, and in order to prevent a large amount of accumulated water in a foundation pit of the main building in the construction process, the construction of partial pile foundations of the main building is convenient; because the pile top concrete elevation of the punched pile is measured inaccurately, the phenomenon that the actual pile top elevation greatly exceeds the designed pile top elevation often occurs, besides the pile top laitance is chiseled, a large amount of concrete which is poured in a large number needs to be chiseled, so that the material is wasted, and a large amount of labor and time are consumed; whether the concrete surface reaches the designed elevation is determined by the mode that the bottom end resistance of the heavy object is hung by touching the hands of an operator in the prior art, and the method is not effective enough.
Disclosure of Invention
In view of this, the utility model provides a blasting reaming reverse-pushing formula slip casting stake to solve above-mentioned problem.
A blasting and reaming reverse-pushing grouting pile comprises a hollow threaded pile, an expanding end and a separation cavity, wherein the separation cavity is arranged between the hollow threaded pile and the expanding end, two symmetrical grooves are formed in the upper portion of the separation cavity, two symmetrical clamping tenons are arranged at the lower end of the hollow threaded pile, a reverse pushing plate is arranged at the lower end of the hollow threaded pile, a grouting hole is formed in the reverse pushing plate and is plugged by combustible rubber, an explosive installation cavity is formed in the separation cavity and is provided with an igniter, an explosive and a lead, an energy absorption wing is arranged on the upper portion of the outer surface of the hollow threaded pile body, a sealing plug is arranged on the opening of the hollow threaded pile body, and the energy absorption wing is welded outside the pile body; the expansion end is provided with at least two reserved seams which extend along the length direction of the expansion end for one section, all the reserved seams are evenly distributed on the circumference of the expansion end, an annular inverted sawtooth belt is arranged on the outer surface of the expansion end at the inner port, the explosive installation cavity extends to the central position of the expansion end, and a lead can be led out along the pipe cavity of the hollow pile rod body.
The detonation device comprises a cylindrical structure, a plurality of cutting seams are uniformly arranged along the circumferential direction of the pipe wall of the cylindrical structure at intervals, and the cutting seam direction is consistent with the axial direction of the pile body; the outer surface of the cylindrical structure is provided with a barb-shaped structure; the inner ring part of the cylindrical structure is provided with a detonating material; when the detonating material is arranged in the detonating device, the expanding end of the slot section of the detonating device can automatically open.
And the counter-thrust plate is welded with the inner wall of the hollow threaded pile.
The number of the reserved seams is four.
The utility model discloses a reverse pushing-type slip casting stake of blasting reaming, beneficial effect lies in:
1. the utility model discloses can utilize blasting underreamed mode to enlarge inside drilling vestibule, detonate back ignition can open automatically and produce stronger occlusal force between the soil body, utilize the slip casting to form the enlarged footing.
2. The utility model discloses a separation chamber effect, after the explosion, carries out the backstepping to the rotor, hollow thread stake and enlarged footing relative separation, and relative motion for form the counter-pulling force between pile body and the soil body, carry out the slip casting construction again and form the backstepping formula slip casting stake.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1:
a blasting and reaming reverse-pushing grouting pile comprises a hollow threaded pile 1, an enlarged end 2 and a separation cavity 3, wherein the separation cavity is arranged between the hollow threaded pile and the enlarged end, the upper part of the separation cavity is provided with two symmetrical grooves 4, the lower end of the hollow threaded pile is provided with two symmetrical tenons 5, the lower end of the hollow threaded pile is provided with a reverse pushing plate 6, the reverse pushing plate is provided with a grouting hole 7, the grouting hole is plugged by combustible rubber 8, an explosive installation cavity 9 is arranged in the separation cavity, the explosive installation cavity is provided with an igniter, explosive and a lead, the upper part of the outer surface of a hollow threaded pile body is provided with an energy absorption wing 10, the opening of the hollow threaded pile is provided with a sealing plug 11, and the energy absorption wing is welded outside the pile body; the expansion end is provided with at least two reserved seams 12 extending along the length direction of the expansion end for one section, all the reserved seams are evenly distributed on the circumference of the expansion end, an annular inverted sawtooth belt is arranged on the outer surface of the expansion end at the inner port, the explosive mounting cavity extends to the central position of the expansion end, and a lead can be led out along the pipe cavity of the hollow pile rod body.
The detonation device comprises a cylindrical structure, a plurality of cutting seams are uniformly arranged along the circumferential direction of the pipe wall of the cylindrical structure at intervals, and the cutting seam direction is consistent with the axial direction of the pile body; the outer surface of the cylindrical structure is provided with a barb-shaped structure; the inner ring part of the cylindrical structure is provided with a detonating material; when the detonating material is arranged in the detonating device, the expanding end of the slot section of the detonating device can automatically open.
And the counter-thrust plate is welded with the inner wall of the hollow threaded pile.
The number of the reserved seams is four.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a blasting reaming reverse-push formula slip casting stake, includes hollow thread stake, enlarged end and disengagement chamber, its characterized in that: the separation cavity is arranged between the hollow threaded pile and the expansion end, two symmetrical grooves are formed in the upper portion of the separation cavity, two symmetrical clamping tenons are arranged at the lower end of the hollow threaded pile, a reverse pushing plate is arranged at the lower end of the hollow threaded pile, a grouting hole is formed in the reverse pushing plate and is plugged by combustible rubber, an explosive installation cavity is formed in the separation cavity and is provided with an igniter, an explosive and a lead, an energy absorption wing is arranged on the upper portion of the outer surface of the hollow threaded pile, a sealing plug is arranged at the mouth of the hollow threaded pile, and the energy absorption wing is welded to the outer portion of the pile body; the expansion end is provided with at least two reserved seams which extend along the length direction of the expansion end for one section, all the reserved seams are evenly distributed on the circumference of the expansion end, an annular inverted sawtooth belt is arranged on the outer surface of the expansion end at the inner port, the explosive installation cavity extends to the central position of the expansion end, and a lead can be led out along the pipe cavity of the hollow pile rod body.
2. The blasting reaming reverse-pushing grouting pile as claimed in claim 1, wherein the detonating device comprises a cylindrical structure, a plurality of slots are uniformly arranged along the circumferential direction of the pipe wall of the cylindrical structure at intervals, and the slot direction is consistent with the axial direction of the pile body; the outer surface of the cylindrical structure is provided with a barb-shaped structure; the inner ring part of the cylindrical structure is provided with a detonating material; when the detonating material is arranged in the detonating device, the expanding end of the slot section of the detonating device can automatically open.
3. The blast reaming reverse-pushing grouting pile of claim 1, wherein the reverse-pushing plate is welded with the inner wall of the hollow threaded pile.
4. The blast reaming reverse-pushing grouting pile of claim 1, wherein the number of the reserved seams is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011986.3U CN212001061U (en) | 2020-01-04 | 2020-01-04 | Blasting reaming reverse-pushing type grouting pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011986.3U CN212001061U (en) | 2020-01-04 | 2020-01-04 | Blasting reaming reverse-pushing type grouting pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212001061U true CN212001061U (en) | 2020-11-24 |
Family
ID=73428183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020011986.3U Expired - Fee Related CN212001061U (en) | 2020-01-04 | 2020-01-04 | Blasting reaming reverse-pushing type grouting pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212001061U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878307A (en) * | 2021-01-20 | 2021-06-01 | 浙江荣呈建设集团有限公司 | Foundation pile-connection reinforcing method |
| CN112900464A (en) * | 2021-01-20 | 2021-06-04 | 浙江荣呈建设集团有限公司 | Building foundation construction method |
| CN115198729A (en) * | 2022-08-30 | 2022-10-18 | 济南城建集团有限公司 | Blasting umbrella-type steel pipe pile device and construction method |
-
2020
- 2020-01-04 CN CN202020011986.3U patent/CN212001061U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878307A (en) * | 2021-01-20 | 2021-06-01 | 浙江荣呈建设集团有限公司 | Foundation pile-connection reinforcing method |
| CN112900464A (en) * | 2021-01-20 | 2021-06-04 | 浙江荣呈建设集团有限公司 | Building foundation construction method |
| CN115198729A (en) * | 2022-08-30 | 2022-10-18 | 济南城建集团有限公司 | Blasting umbrella-type steel pipe pile device and construction method |
| CN115198729B (en) * | 2022-08-30 | 2024-01-30 | 济南城建集团有限公司 | Explosion type umbrella type steel pipe pile device and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 Termination date: 20220104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |